Home / 54,601.83-75,352.95-30,730.05

Finding the Fourth Proportional to 54,601.83, 75,352.95 and 30,730.05

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Solution

The fourth proportional to 54,601.83, 75,352.95 and 30,730.05 is: 42,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.83 : 75,352.95 = 30,730.05 : x
  2. Step 2: Convert to fraction form
    54,601.83/75,352.95 = 30,730.05/x
  3. Step 3: Cross multiply
    54,601.83x = 75,352.95 × 30,730.05
  4. Step 4: Simplify right side
    54,601.83x = 2,315,599,921.15
  5. Step 5: Solve for x
    x = 2,315,599,921.15/54,601.83
  6. Step 6: Final answer
    x = 42,408.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.